A life as dramatic as her work. Lucy Worsley discovers the origins of Agatha Christie's macabre magic - and with some compelling characters, uncovers carefully concealed secrets.

Six of the best British crime thriller writers are profiled during the running up to the ITV3 Crime Thriller Awards. Each author will be given their own week, featuring some of their finest TV adaptations every night, plus an exclusive documentary examining their lives and work, talking to the stars who have brought their characters to life on screen, fellow writers, fans and the authors themselves.